What is the rank of Operations Research? - (OR) The science of decision-making embodied in Operations Research encompasses many areas. They represent methodologies, such as decision analysis, optimization, simulation, and stochastic modeling, as well as particular domains of application, such as energy and environmental systems, financial engineering, military and homeland security analyses, management of operations and supply chains, and transportation systems, and areas that bridge methodology and application, such as market analysis, pricing and revenue management, machine learning and data science, public policy modeling, and the practice of operations research. These more...